TCS Company Numerical Ability Permutation and Combination

rearranged and catagorize the word "RAPETEKA"...
A.VEHICLE
B.BIRD
C.CITY
D.PERSON

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TCS Other Question

A is 2/3 rd as efficient as B and B is ¾ th as efficient as C. In one day, What will be the fraction of the work done by A alone, compared to all of them working together ? (2^1096 + 2^2248 + 2^2n).find the value of n so that the value will be perfect
square (a)2011(b)2012(c)2010(d)2008